[2-(2,5-Bis-benzoyloxy-phenyl)-2-oxo-ethyl]-triphenyl-phosphonium; bromide

Base Information

• Chemical Name: [2-(2,5-Bis-benzoyloxy-phenyl)-2-oxo-ethyl]-triphenyl-phosphonium; bromide
• CAS No.: 107139-52-6
• Molecular Formula: Br*C₄₀H₃₀O₅P
• Molecular Weight: 701.553
• Mol file: 107139-52-6.mol

Synonyms:[2-(2,5-Bis-benzoyloxy-phenyl)-2-oxo-ethyl]-triphenyl-phosphonium; bromide

Chemical Property of [2-(2,5-Bis-benzoyloxy-phenyl)-2-oxo-ethyl]-triphenyl-phosphonium; bromide

Chemical Property:

Purity/Quality:

Safty Information:

• Pictogram(s):  
• Hazard Codes: 

MSDS Files:

Useful:

Technology Process of [2-(2,5-Bis-benzoyloxy-phenyl)-2-oxo-ethyl]-triphenyl-phosphonium; bromide

There total 2 articles about [2-(2,5-Bis-benzoyloxy-phenyl)-2-oxo-ethyl]-triphenyl-phosphonium; bromide which guide to synthetic route it. The literature collected by LookChem mainly comes from the sharing of users and the free literature resources found by Internet computing technology. We keep the original model of the professional version of literature to make it easier and faster for users to retrieve and use. At the same time, we analyze and calculate the most feasible synthesis route with the highest yield for your reference as below:

synthetic route:

Reference yield:

1-acetyl-1,3-bis(benzoyloxy)benzene (76323-08-5) → [2-(2,5-Bis-benzoyloxy-phenyl)-2-oxo-ethyl]-triphenyl-phosphonium; bromide (107139-52-6)

Guidance literature:

Multi-step reaction with 2 steps

1: 90 percent / Br₂ / CCl₄ / Heating

2: toluene / Heating

With bromine; In tetrachloromethane; toluene;

DOI:10.1016/S0040-4039(00)84634-1

Reference yield:

C22H15BrO5 + triphenylphosphine (603-35-0) → [2-(2,5-Bis-benzoyloxy-phenyl)-2-oxo-ethyl]-triphenyl-phosphonium; bromide (107139-52-6)

Guidance literature:

In toluene; Heating;

DOI:10.1016/S0040-4039(00)84634-1

Reference yield:

[2-(2,5-Bis-benzoyloxy-phenyl)-2-oxo-ethyl]-triphenyl-phosphonium; bromide (107139-52-6) → 6-hydroxyflavone (6665-83-4)

Guidance literature:

Multi-step reaction with 2 steps

1: 1.) 47percent HBr; 2.) aq.Na₂CO₃ / 1.) 100 deg C

2: 2.) 0.5N NaOH / 1.) pyridine, 3 h, 60 deg C; 2.) 50 deg C, 1 h

With sodium hydroxide; hydrogen bromide; sodium carbonate;

DOI:10.1016/S0040-4039(00)84634-1

upstream raw materials:

triphenylphosphine

1-acetyl-1,3-bis(benzoyloxy)benzene

Downstream raw materials:

1-(2,5-Dihydroxy-phenyl)-2-(triphenyl-λ⁵-phosphanylidene)-ethanone

6-hydroxy-2-methyl-chromen-4-one

6-hydroxyflavone

6‐hydroxy‐4′‐methoxyflavone